. >>> authorities are looking to murdoch's son. james murdoch the chief operating officer of news corp. claimed he did not know about the hacking. but two former executives say he did. this comes after journalists from the news corp. tabloid news of the world tapped into phone messages of people including a teenage girl who had been murdered. murdoch shut down that tabloid earlier this month. >>> apple now has more cash than the united states government. the latest daily statement from the u.s. treasury says the government had an operating cash balance of $73.8 billion as of yesterday. apple's last earning reports said the cuper to the best ertino based company had -- >>> our julie haener is live in our newsroom now with the stories we're working on for ktvu news at 6:00. >>> nature pitted against nature. new at 6:00 the state is shipping in a bug from the amazon. it's a risky experiment. >>> plus we first showed you these top of the line washing machines that can actually save firefighters from the risk of cancer. now we learned t